could marcel
Verbo regular: marcel - marceled- marceled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could marcel
you could marcel
he could marcel
we could marcel
you could marcel
they could marcel 	I could be marceling
you could be marceling
he could be marceling
we could be marceling
you could be marceling
they could be marceling	I could have marceled
you could have marceled
he could have marceled
we could have marceled
you could have marceled
they could have marceled	I could have been marceling
you could have been marceling
he could have been marceling
we could have been marceling
you could have been marceling
they could have been marceling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not marcel
you could not marcel
he could not marcel
we could not marcel
you could not marcel
they could not marcel 	I could not be marceling
you could not be marceling
he could not be marceling
we could not be marceling
you could not be marceling
they could not be marceling	I could not have marceled
you could not have marceled
he could not have marceled
we could not have marceled
you could not have marceled
they could not have marceled	I could not have been marceling
you could not have been marceling
he could not have been marceling
we could not have been marceling
you could not have been marceling
they could not have been marceling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I marcel?
could you marcel?
could he marcel?
could we marcel?
could you marcel?
could they marcel? 	could I be marceling?
could you be marceling?
could he be marceling?
could we be marceling?
could you be marceling?
could they be marceling? 	could I have marceled?
could you have marceled?
could he have marceled?
could we have marceled?
could you have marceled?
could they have marceled? 	could I have been marceling?
could you have been marceling?
could he have been marceling?
could we have been marceling?
could you have been marceling?
could they have been marceling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not marcel?
could you not marcel?
could he not marcel?
could we not marcel?
could you not marcel?
could they not marcel? 	could I not be marceling?
could you not be marceling?
could he not be marceling?
could we not be marceling?
could you not be marceling?
could they not be marceling? 	could I not have marceled?
could you not have marceled?
could he not have marceled?
could we not have marceled?
could you not have marceled?
could they not have marceled? 	could I not have been marceling?
could you not have been marceling?
could he not have been marceling?
could we not have been marceling?
could you not have been marceling?
could they not have been marceling?